On the effect of an axial magnetic field on the high-current vacuum arc
- 1 January 2000
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Transactions on Plasma Science
- Vol. 28 (1) , 347-350
- https://doi.org/10.1109/27.842930
Abstract
Vacuum arcs in axial fields B/sub x/ are modeled as cathode-spot jets combining into a common current channel. The model provides a novel condition for the observed transition from the falling to the rising branch of arc voltage versus H/sub x/. The smooth transition corresponds to the B/sub x/ for which the jet mixing occurs at the anode, on average. These two-dimensional calculations agree well with experiments.Keywords
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